sex activity vs nurse

sex activity and nurse both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex activity	Yes	No	No	No
nurse	Yes	No	Yes	No

sex activity (noun)	nurse (noun)
activities associated with sexual intercourse	one skilled in caring for young children or the sick (usually under the supervision of a physician)
	a woman who is the custodian of children

sex activity (verb)	nurse (verb)
	try to cure by special care of treatment, of an illness or injury
	give suck to
	maintain (a theory, thoughts, or feelings)
	serve as a nurse; care for sick or handicapped people
	treat carefully